MPLS Guide PCEP
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4.8 Configuring RSVP-TE LSPs with PCEP Using
the CLI
This section provides information about using the CLI to configure and operate
RSVP-TE LSPs with PCEP.
The following information describes the detailed configuration of an inter-area
RSVP-TE LSP with both a primary path and a secondary path. The network uses
IS-IS with the backbone area in Level 2 and the leaf areas in Level 1. Topology
discovery is learned by the NRC-P using IGP and the NSP NFM-P.
The LSP uses an admin-group constraint to keep the paths of the secondary and
primary links disjoint in the backbone area. The LSP is PCE-controlled but also has
pce-computation enabled so that the initial path, and any MBB path, is also
computed by the PCE.
The NSP and 7705 SAR load versions used to produce this example in this section
are:
• NSP: NSP-2.0.3-rel.108
• PCE SROS: TiMOS-B-0.0.W129
• PCC: TiMOS-B-0.0.I4902
This section provides configuration and show commands for the following examples:
• PCEP on the PCE Node and the PCC Node
• MPLS on the PCC Node
4.8.1 PCEP on the PCE Node and the PCC Node
Figure 20 shows a multi-level IS-IS topology in the NSP GUI.
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